package com.wyp168.eduOrder.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.github.wxpay.sdk.WXPayUtil;
import com.wyp168.eduOrder.entity.Order;
import com.wyp168.eduOrder.entity.PayLog;
import com.wyp168.eduOrder.mapper.PayLogMapper;
import com.wyp168.eduOrder.service.OrderService;
import com.wyp168.eduOrder.service.PayLogService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.wyp168.eduOrder.utils.HttpClient;
import com.wyp168.servicebase.exceptionhandler.GuliException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * <p>
 * 支付日志表 服务实现类
 * </p>
 *
 * @author wyp168
 * @since 2022-06-03
 */
@Service
public class PayLogServiceImpl extends ServiceImpl<PayLogMapper, PayLog> implements PayLogService {

    @Autowired
    private OrderService orderService;

    @Override
    public Map createNative(String orderNo) {
        try {
            System.out.println("调用了创建微信二维码的方法");
            //1.根据订单号查询订单相关信息
            QueryWrapper<Order> wrapper =  new QueryWrapper<>();
            wrapper.eq("order_no",orderNo);
            Order orderInfo = orderService.getOne(wrapper);

            //2.使用map来设置创建微信二维码相关参数
            Map<String,String> m = new HashMap<>();
            m.put("appid","wx74862e0dfcf69954");    //微信支付 关联的公众号appid
            m.put("mch_id", "1558950191");  //商户号
            m.put("nonce_str", WXPayUtil.generateNonceStr());
            m.put("body", orderInfo.getCourseTitle()); //课程标题
            m.put("out_trade_no", orderNo); //订单号
            m.put("total_fee", orderInfo.getTotalFee().multiply(new BigDecimal("100")).longValue()+""); //价格：是BigDecimal类型，需要转换成String类型
            m.put("spbill_create_ip", "127.0.0.1"); //支付的IP
            m.put("notify_url", "http://guli.shop/api/order/weixinPay/weixinNotify\n"); //支付的回调
            m.put("trade_type", "NATIVE");  //类型：当前类型NATIVE 表示根据价格生成二维码


            //发送HttpClient请求，传递参数为xml格式，访问微信生成支付二维码的固定网址
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/unifiedorder");
            client.setXmlParam(WXPayUtil.generateSignedXml(m,"T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);

            //执行发送请求
            client.post();

            //得到请求结果并返回
            //返回的内容是使用xml格式返回
            String content = client.getContent();
            //为了方便后面操作，我们需要把xml数据转换成map集合，使用WXPlayUtil工具类来转换
            Map<String,String> resultMap = new HashMap<>();
            resultMap = WXPayUtil.xmlToMap(content);

            //最终的数据封装
            Map<String,Object> map = new HashMap<>();
            map.put("out_trade_no", orderNo);
            map.put("course_id", orderInfo.getCourseId());
            map.put("total_fee", orderInfo.getTotalFee());
            map.put("result_code", resultMap.get("result_code"));  //返回二维码操作状态码
            map.put("code_url", resultMap.get("code_url"));        //二维码地址
            return map;
        } catch (Exception e) {
            throw new GuliException(20001,"生成微信支付二维码失败");
        }

    }

    //根据订单号查询订单的支付状态
    @Override
    public Map<String, String> getPayStatus(String orderNo) {
        try {
            //1、封装参数
            Map m = new HashMap<>();
            m.put("appid", "wx74862e0dfcf69954");
            m.put("mch_id", "1558950191");
            m.put("out_trade_no", orderNo);
            m.put("nonce_str", WXPayUtil.generateNonceStr());

            //2 发送httpclient
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/orderquery");
            client.setXmlParam(WXPayUtil.generateSignedXml(m,"T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            client.post();

            //3 得到请求返回内容
            String xml = client.getContent();
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);
            //6、转成Map再返回
            return resultMap;
        }catch(Exception e) {
            return null;
        }
    }

    //向支付表添加支付记录
    //更新订单状态
    @Override
    public void updatePayStatus(Map<String,String> map) {
        //从map获取订单号
        String orderNo = map.get("out_trade_no");
        //根据订单号查询订单信息
        QueryWrapper<Order> wrapper = new QueryWrapper<>();
        wrapper.eq("order_no",orderNo);
        Order order = orderService.getOne(wrapper);

        //更新订单表订单状态
        if(order.getStatus().intValue() == 1) { return; }
        order.setStatus(1);//1代表已经支付
        orderService.updateById(order);

        //向支付表添加支付记录
        PayLog payLog = new PayLog();
        payLog.setOrderNo(orderNo);  //订单号
        payLog.setPayTime(new Date()); //订单完成时间
        payLog.setPayType(1);//支付类型 1微信
        payLog.setTotalFee(order.getTotalFee());//总金额(分)

        payLog.setTradeState(map.get("trade_state"));//支付状态
        payLog.setTransactionId(map.get("transaction_id")); //流水号
        payLog.setAttr(JSONObject.toJSONString(map));

        System.out.println("向支付表中添加支付信息");
        System.out.println(payLog);

        baseMapper.insert(payLog);
    }
}
